--- boost_1_52_0.org/tools/build/v2/engine/execunix.c	2013-01-04 09:45:43.165000002 +0000
+++ boost_1_52_0/tools/build/v2/engine/execunix.c	2013-01-04 09:46:20.095000004 +0000
@@ -18,7 +18,7 @@
 #include <sys/times.h>
 #include <sys/wait.h>
 
-#if defined(sun) || defined(__sun) || defined(linux)
+#if defined(sun) || defined(__sun) || defined(__GLIBC__)
     #include <wait.h>
 #endif
 
